but when it reach to that point, I believe the water level must rise up alot.公仔箱論壇, T( O2 S* l& _9 L7 H, F
Eventually, there will not have enough space for people to stand. 6 a1 k* ]2 [" k! ]" l0 n8 T
Oxgyen supply will become a critical problem of building a 2000 floor building.
8 z& v" @& S* S3 DWhen the Earth gets more crowded, the oxygen will not be enough to supply to all the man-kind.
. J% x( n7 O+ ^% N+ `- `tvb now,tvbnow,bttvbAT a result, I think human will never going to reach that point. |